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Kindle KFX auxiliary file
File type: E-book file
Files with yjr extension are auxiliary / metadata files for Kindle KFX format, such as annotations or other store data.
File type category:
E-book file
Date updated: January 30, 2024
File extension yjr is used for one of the two auxiliary files in the Amazon Kindle KFX format. Might contain annotations, bookmarks or other similar metadata.
KFX format is eBook format created in the Kindle Format 10 (KF10), Amazon's successor to the AZW3 (Kindle 8) format.
These files cannot be opened on its own, but are loaded in Kindle together with KFX ebooks.
No export for this files is possible.
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